text: #!/usr/bin/env python
  
  # Setup script for the `py2deb' package.
  
  # Author: Peter Odding <peter.odding@paylogic.com>
  # Last Change: November 18, 2018
  # URL: https://py2deb.readthedocs.io
  
  """
  Setup script for the `py2deb` package.
  
  **python setup.py install**
    Install from the working directory into the current Python environment.
  
  **python setup.py sdist**
    Build a source distribution archive.
  
  **python setup.py bdist_wheel**
    Build a wheel distribution archive.
  """
  
  # Standard library modules.
  import codecs
  import os
  import re
  import sys
  
  # De-facto standard solution for Python packaging.
  from setuptools import find_packages, setup
  
  
  def get_contents(*args):
      """Get the contents of a file relative to the source distribution directory."""
      with codecs.open(get_absolute_path(*args), 'r', 'UTF-8') as handle:
          return handle.read()
  
  
  def get_version(*args):
      """Extract the version number from a Python module."""
      contents = get_contents(*args)
      metadata = dict(re.findall('__([a-z]+)__ = [\'"]([^\'"]+)', contents))
      return metadata['version']
  
  
  def get_install_requires():
      """Get the conditional dependencies for source distributions."""
      install_requires = get_requirements('requirements.txt')
      if 'bdist_wheel' not in sys.argv:
          if sys.version_info[:2] <= (2, 6) or sys.version_info[:2] == (3, 0):
              install_requires.append('importlib')
      return sorted(install_requires)
  
  
  def get_extras_require():
      """Get the conditional dependencies for wheel distributions."""
      extras_require = {}
      if have_environment_marker_support():
          expression = ':python_version == "2.6" or python_version == "3.0"'
          extras_require[expression] = ['importlib']
      return extras_require
  
  
  def get_absolute_path(*args):
      """Transform relative pathnames into absolute pathnames."""
      return os.path.join(os.path.dirname(os.path.abspath(__file__)), *args)
  
  
  def get_requirements(*args):
      """Get requirements from pip requirement files."""
      requirements = set()
      with open(get_absolute_path(*args)) as handle:
          for line in handle:
              # Strip comments.
              line = re.sub(r'^#.*|\s#.*', '', line)
              # Ignore empty lines
              if line and not line.isspace():
                  requirements.add(re.sub(r'\s+', '', line))
      return sorted(requirements)
  
  
  def have_environment_marker_support():
      """
      Check whether setuptools has support for PEP-426 environment markers.
  
      Based on the ``setup.py`` script of the ``pytest`` package:
      https://bitbucket.org/pytest-dev/pytest/src/default/setup.py
      """
      try:
          from pkg_resources import parse_version
          from setuptools import __version__
          return parse_version(__version__) >= parse_version('0.7.2')
      except Exception:
          return False
  
  
  setup(
      name='py2deb',
      version=get_version('py2deb', '__init__.py'),
      description="Python to Debian package converter",
      long_description=get_contents('README.rst'),
      url='https://py2deb.readthedocs.io',
      author="Peter Odding & Arjan Verwer (Paylogic International)",
      author_email='peter.odding@paylogic.com',
      license='MIT',
      packages=find_packages(),
      entry_points=dict(console_scripts=[
          'py2deb = py2deb.cli:main',
      ]),
      install_requires=get_install_requires(),
      extras_require=get_extras_require(),
      test_suite='py2deb.tests',
      include_package_data=True,
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Intended Audience :: Developers',
          'Intended Audience :: Information Technology',
          'Intended Audience :: System Administrators',
          'License :: OSI Approved :: MIT License',
          'Operating System :: POSIX :: Linux',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: Implementation :: CPython',
          'Programming Language :: Python :: Implementation :: PyPy',
          'Topic :: Software Development :: Build Tools',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: System :: Archiving :: Packaging',
          'Topic :: System :: Installation/Setup',
          'Topic :: System :: Software Distribution',
          'Topic :: System :: Systems Administration',
          'Topic :: Utilities',
      ])
  